H-Bridge Motor Driver, 2-7 V, 1.4 A, 200 kHz

MC34933

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The NXP® MC34933 is a two channel H-Bridge driver with a variety of applications, such as auto focus control, that make it ideal for the digital camera market.

Uses the NXP proprietary SMOS8 Bi CMOS process to deliver a low power device with a maximum quiescent current of 100 uA for the motor drive supply and 400 uA for the control logic supply

Employs a VCC detection circuit to sense when the logic supply switches to an off-state with a maximum current of 1u A to extend battery life

Thermal protection circuitry for the H-Bridge drivers to avoid damage to the IC's internal Power MOSFET circuitry

Product Details

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Block Diagram

NXP MC34933 Power Actuation Block Diagram

NXP MC34933 Power Actuation Block Diagram
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Features

Key Features

  • Built-In 2-Channel H-Bridge Driver
  • H-Bridge Operation Voltage 2.0V~7.0V
  • Output Current 1.0A @TA=25°C
  • Low Total RDS(ON) 0.8Ω (Typ), 1.0Ω (Max) @ TA=25 °C
  • Dual Channel Parallel Driver, RDS(ON) 0.4Ω (Typ). Max DC Current 1.4A
  • PWM Control Input Frequency up to 200 kHz
  • Built-In Shoot-Through Current Prevention Circuit
  • Built-In Charge Pump Circuit (External Cap type)
  • VCC Low Voltage Detection for logic power supply voltage
  • Thermal Detection for H-Bridge driver

Product Longevity Program

  • This product is included in the NXP Product Longevity Program ensuring a stable supply of products for your embedded designs. The MC34933 is included in the 15-year program

Key Parametrics

  • Load Supply Voltage (Min) (V)
    2
  • Load Supply Voltage (Max) (V)
    7
  • Interface and Input Control
    Parallel / Parallel
  • Ambient Operating Temperature (Min to Max) (℃)
    -20 to 85

Design Resources

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